I have been thinking quite a bit about Sociopathy (aka Antisocial Personality, aka Psychopathy, aka in the young "Conduct Disorder") lately. People without a conscience who view others as objects of gratification or as tools to be used. I have missed the diagnosis several times over the past few years, to my regret. Many experts are known to miss it until something happens to wave the red flag in front of your face.
It's not just an important diagnosis for us shrinks to make: it's important for everybody out in the world. 2-3% of humans probably have enough sociopathic traits to be of concern in life. It's a strange partially genetic adaptation. Some end up as leaders and moguls, many end up addicts, dead, or in jail. Sociopathy knows no economic, cultural, or ethnic boundaries.
What is this "condition"?
It's a tricky thing, sociopathy. It has been well-described from many points of view. We analysts often think of it as being based in an absence of empathy - an inability to experience others as other than as objects to be exploited, used, predated upon, etc. An inner coldness and calculatingness towards others, but not to be confused with obsessional personalities who simply protect their emotions, and not be confused with those with immoral or amoral impulses - everybody has those.
However, successful sociopaths learn to create a warm, caring, engaged, and often charming presentation of themselves to the world. Very successful and smart sociopaths learn how to live honest lives and to channel their talents, guile and wiles into honest paths.
Full-blown sociopathy is generally considered an untreatable and incurable condition. I am not convinced that that is true - but I think it requires special methods which are outisde of regular Psychiatry. Sociopathic traits are far more common than the supposed 2% of the population that are said to be full sociopaths. I am not going to write an essay on this complicated topic, but will just offer some links for those who are interested:
Wiki has a simple introduction to the topic
A classic book by Cleckley: The Mask of Sanity: An Attempt to Clarify Some Issues About the So Called Psychopathic Personality
An interesting paper: THE SOCIOBIOLOGY OF SOCIOPATHY: AN INTEGRATED EVOLUTIONARY MODEL
I have more links on the topic, but no more time right now.